#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import math


EPS = 10 ** (-12)


def differentiate(exps, b):
    answer = 0
    for a in exps:
        if abs(a) > EPS:
            answer += a * b ** (a - 1)
    return answer


def integrate(exps, b):
    answer = 0
    for a in exps:
        if (-1 - EPS) < a < (-1 + EPS):
            answer += math.log(b)
        else:
            answer += b ** (a + 1) / (a + 1)
    return answer


if __name__ == '__main__':
    _ = int(input())
    b = float(input())
    exps = list(map(float, input().split()))
    print("{:.10f}".format(differentiate(exps, b)))
    print("{:.10f}".format(integrate(exps, b)))